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Multiphoton Ionization Spectroscopy of Surface Molecules

  • Vladimir S. Antonov
  • Vladilen S. Letokhov
Part of the Springer Series on Atoms+Plasmas book series (SSAOPP, volume 2)

Abstract

The method of resonant multiphoton ionization (MPI) of molecules, which has been extensively developed in the last few years, is now widely used for the purposes of spectroscopy and detection of free molecules in the gas phase [1,2].On the other hand, investigations into the laser-induced surface processes (production of free ions in particular) are constantly gaining in importance to the spectroscopy and analysis of surface. As applied to surface studies, most experiments involving the use of laser radiation were conducted in conditions of intense surface heating, wherein free ions were formed as a result of thermal and chemical ionization [3]. In this respect, laser resonant molecular photoionization is an alternative approach which, thanks to its high efficiency, could have considerable promise for the spectroscopy of surface. This is borne out by the high rise of ion and electron signal intensities observed in MPI experiments whenever the laser radiation happened to get onto a surface containing the molecules under study [4–7].

Keywords

Surface Molecule Strong Electric Field Laser Pulse Duration Multiphoton Ionization Field Desorption 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Vladimir S. Antonov
    • 1
  • Vladilen S. Letokhov
    • 1
  1. 1.Institute of SpectroscopyUSSR Academy of SciencesTroitsk, Moscow RegionUSSR

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